Background*

Mr. William E. Dozier, as known as Bill, has been President of Extex Consulting Inc. and Independent Consultant based in Tulsa and Houston since 2005. Mr. Dozier served as Interim Chief Executive Officer of CAMAC Energy Inc. from August 2010 to October 1, 2010. He served as Chief Operating Officer of Striker Oil & Gas, Inc. from June 28, 2007 to September 10, 2007. He has over 34 years of technical and operational experience in the U.S. and the international oil and ... gas industry. He served as the Senior Vice President of Business Development of Vintage Petroleum Inc. from November 2002 to March 2005. Mr. Dozier served as a Senior Vice President of Operations of Vintage from December 1997 to November 2002 and also its Vice President of Operations of Vintage Petroleum Inc. from May 1992 to December 1997. While at Vintage, he was instrumental in property acquisitions, world-wide production and drilling operations and the establishment of engineering, geological, administrative and field operations for Vintage throughout the U.S., Canada, Argentina, Bolivia, Ecuador, Yemen and Trinidad. From June 1983 to April 1992, he was employed at Santa Fe Minerals where he held various engineering and management positions serving most recently as Manager of Operations Engineering. From January 1975 to May 1983, he was employed at Amoco Production Company serving in various positions where he worked all phases of production, reservoir evaluations, drilling and completions in the Mid-Continent and Gulf Coast areas. He serves as a Director of Intrepid Properties, LLC. He has been a Director of Evolution Petroleum Corp. (formerly Natural Gas Systems Inc.) since December 2005. He served as a Director of Pacific Asia Petroleum, Inc. since May 2009. He served as a Director of Striker Oil & Gas, Inc. from September 4, 2007 to February 15, 2008. He served as a Director of CAMAC Energy Inc. since May 2009 until June 24, 2011. Mr. Dozier has been a Member of the Society of Petroleum Engineers (SPE) since 1973. He served as Local Section Chairman and board member, and on three national SPE committees. In addition to the SPE, he has been involved in various industry organizations including the International Petroleum Association of America (IPAA), the Texas Independent Producers and Royalty Owners (TIPRO), Texas Alliance of Energy Producers (TAEP), the Oklahoma Independent Petroleum Association (OIPA), and the California Independent Petroleum Association (CIPA) where he served on the board of directors and membership committee. Mr. Dozier holds a B.S. Degree in Petroleum Engineering from the University of Texas. Mr. Dozier is a licensed petroleum engineer.

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